Four of "Parizhskaya Kommuna"'s 120-mm guns were landed shortly before 22 June 1941. When the Germans invaded she was in Sevastopol, and she was initially kept in reserve during the Soviet attack on the Romanian port of Constanța. She was evacuated to Novorossiysk on 30 October after the Germans breached Soviet defensive lines near the Perekop Isthmus. During 28–29 November she bombarded German and Romanian troops south of Sevastopol with 146 12-inch and 299 120-mm shells. She steamed into Sevastopol's South Bay on 29 December and fired 179 and 265 120-mm shells at German troops before embarking 1025 wounded and departing in company with the cruiser on the 31st. She bombarded German positions south of Feodosiya on the evening of 4–5 January 1942 and on 12 January. "Parizhskaya Kommuna" provided gunfire support during Soviet landings behind German lines along the southern coast of the Crimea three days later. She bombarded German positions west and north of Feodosiya on the nights of 26–28 February in support of an offensive by the 44th Army. She fired her last shots of the war at targets near Feodosiya during the nights of 20–22 March 1942 before returning to Poti, Georgia, to have her worn-out 12-inch guns relined. By the time this was finished the Soviets were unwilling to expose such a prominent ship to German air attacks, which had already sunk a number of cruisers and destroyers. She returned to her original name on 31 May 1943, but remained in Poti until late 1944 when she led the surviving major units of the Black Sea Fleet back to Sevastopol on 5 November. Lend-Lease British Type 290 and 291 air-warning radars were fitted during the war. She was awarded the Order of the Red Banner on 8 July 1945.